TY  - JOUR
AU  - Grbić, Jelena
AU  - Wu, Jie
TI  - Applications of combinatorial groups to Hopf invariant and the exponent problem
JO  - Algebraic and Geometric Topology
PY  - 2006
SP  - 2229
EP  - 2255
VL  - 6
IS  - 5
UR  - http://geodesic.mathdoc.fr/articles/10.2140/agt.2006.6.2229/
DO  - 10.2140/agt.2006.6.2229
ID  - 10_2140_agt_2006_6_2229
ER  -